I'm mostly interested in what the details of his contract are. That will tell us a lot.
If there wasn't enough money to hire someone like Bill B (UNC) and Rod would work for the lower pay then what Wren did was acceptable - Rod was the best hire for the price (remember, we're paying two head coaches salaries - one to leave and one to stay).
However, if we could have attempted to go after him based on what UNC pays him, but never even looked that way, reached out, etc. to him or someone like him, and just settled on Rod, then yes, I think we fans have a right to be angry.
Not necessarily the Rod is back (though that is bad enough in some eyes) but that WVU didn't have the gumption to look bigger, be bolder, and be rejected by the best first.